Is CVE-2021-33036 in the CISA KEV catalog?

No. CVE-2021-33036 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-33036?

CVE-2021-33036 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-33036?

CVE-2021-33036 has an EPSS score of 3.23% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-33036?

Upgrade hadoop to 3.3.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-33036

HIGHEPSS 87th pctl

8.8

CVSS v3

NVD

Description

In Apache Hadoop 2.2.0 to 2.10.1, 3.0.0-alpha1 to 3.1.4, 3.2.0 to 3.2.2, and 3.3.0 to 3.3.1, a user who can escalate to yarn user can possibly run arbitrary commands as root user. Users should upgrade to Apache Hadoop 2.10.2, 3.2.3, 3.3.2 or higher.

CWE-24 CWE-264Permissions, Privileges, and Access Controls CWE-22Path Traversal

How to fix

Remediation Available

hadoopNVD

Affected:>= 3.3.0, < 3.3.2Fixed in:3.3.2CVE-2021-33036derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.23%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.